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    <script>
        let arr1 = [1, 2, 3, , 'A', 'B'];
        // 按照数字下标解构数组，变成对象的属性值
        let {
            0: a,
            1: b,
            2: c,
            3: d,
            4: e,
            5: f
        } = arr1;
        console.log(a);
        console.log(b);
        console.log(c);
        console.log(d);
        console.log(e);
        console.log(f);
    </script>
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